package com.jianggujin.redis.test;

import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;

/**
 * TableDemo is just like SimpleTableDemo, except that it uses a custom
 * TableModel.
 */
public class TableDemo extends JPanel {
    private boolean DEBUG = false;

    public TableDemo() {
        super(new GridLayout(1, 0));

        JTable table = new JTable(new MyTableModel());
        table.setPreferredScrollableViewportSize(new Dimension(500, 70));
        table.setFillsViewportHeight(true);

        // Create the scroll pane and add the table to it.
        JScrollPane scrollPane = new JScrollPane(table);

        // Add the scroll pane to this panel.
        add(scrollPane);
        Action action = new AbstractAction() {
            public void actionPerformed(ActionEvent e) {
                TableCellListener tcl = (TableCellListener) e.getSource();
                System.out.printf("cell changed%n");
                System.out.println("Row   : " + tcl.getRow());
                System.out.println("Column: " + tcl.getColumn());
                System.out.println("Old   : " + tcl.getOldValue());
                System.out.println("New   : " + tcl.getNewValue());
            }
        };
        TableCellListener tcl = new TableCellListener(table, action);
    }

    class MyTableModel extends AbstractTableModel {
        private String[] columnNames = { "First Name", "Last Name", "Sport", "# of Years", "Vegetarian" };
        private Object[][] data = { { "Kathy", "Smith", "Snowboarding", new Integer(5), new Boolean(false) },
                { "John", "Doe", "Rowing", new Integer(3), new Boolean(true) },
                { "Sue", "Black", "Knitting", new Integer(2), new Boolean(false) },
                { "Jane", "White", "Speed reading", new Integer(20), new Boolean(true) },
                { "Joe", "Brown", "Pool", new Integer(10), new Boolean(false) } };

        public int getColumnCount() {
            return columnNames.length;
        }

        public int getRowCount() {
            return data.length;
        }

        public String getColumnName(int col) {
            return columnNames[col];
        }

        public Object getValueAt(int row, int col) {
            return data[row][col];
        }

        /*
         * JTable uses this method to determine the default renderer/ editor for each
         * cell. If we didn't implement this method, then the last column would contain
         * text ("true"/"false"), rather than a check box.
         */
        public Class getColumnClass(int c) {
            return getValueAt(0, c).getClass();
        }

        /*
         * Don't need to implement this method unless your table's editable.
         */
        public boolean isCellEditable(int row, int col) {
            // Note that the data/cell address is constant,
            // no matter where the cell appears onscreen.
            if (col < 2) {
                return false;
            } else {
                return true;
            }
        }

        /*
         * Don't need to implement this method unless your table's data can change.
         */
        public void setValueAt(Object value, int row, int col) {
            if (DEBUG) {
                System.out.println("Setting value at " + row + "," + col + " to " + value + " (an instance of "
                        + value.getClass() + ")");
            }

            data[row][col] = value;
            fireTableCellUpdated(row, col);

            if (DEBUG) {
                System.out.println("New value of data:");
                printDebugData();
            }
        }

        private void printDebugData() {
            int numRows = getRowCount();
            int numCols = getColumnCount();

            for (int i = 0; i < numRows; i++) {
                System.out.print("    row " + i + ":");
                for (int j = 0; j < numCols; j++) {
                    System.out.print("  " + data[i][j]);
                }
                System.out.println();
            }
            System.out.println("--------------------------");
        }
    }

    /**
     * Create the GUI and show it. For thread safety, this method should be invoked
     * from the event-dispatching thread.
     */
    private static void createAndShowGUI() {
        // Create and set up the window.
        JFrame frame = new JFrame("TableDemo");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        // Create and set up the content pane.
        TableDemo newContentPane = new TableDemo();
        newContentPane.setOpaque(true); // content panes must be opaque
        frame.setContentPane(newContentPane);

        // Display the window.
        frame.pack();
        frame.setVisible(true);
    }

    public static void main(String[] args) {
        // Schedule a job for the event-dispatching thread:
        // creating and showing this application's GUI.
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
            }
        });
    }
}